Update docs to drop support for VS 2008.

llvm-svn: 186961

Author: ahmedbougacha

llvm/docs/GettingStartedVS.rst

@@ -45,13 +45,13 @@ and software you will need.
 
 Hardware
 --------
-Any system that can adequately run Visual Studio 2008 is fine. The LLVM
+Any system that can adequately run Visual Studio 2010 is fine. The LLVM
 source tree and object files, libraries and executables will consume
 approximately 3GB.
 
 Software
 --------
-You will need Visual Studio 2008 or higher.  Earlier versions of Visual
+You will need Visual Studio 2010 or higher.  Earlier versions of Visual
 Studio have bugs, are not completely compatible, or do not support the C++
 standard well enough.
 

llvm/docs/ReleaseNotes.rst

@@ -54,6 +54,10 @@ Non-comprehensive list of changes in this release
   has been integrated into the instruction combiner and function attribute
   marking passes.
 
+* Support for building using Visual Studio 2008 has been dropped. Use VS 2010
+  or later instead. For more information, see the `Getting Started using Visual
+  Studio <GettingStartedVS.html>` page).
+
 * ... next change ...
 
 .. NOTE